The Tamiya Mini 4WD M2 x 10 Socket Button Screw in black, sold as 3RACING M4WD-21/BK, is intended as a replacement fastener for Mini 4WD models. It helps keep panels and structural parts secured during regular use and club racing.
These screws fit the common M2 threaded points on many Mini 4WD chassis and accessory mounts. The black finish blends with darker bodies and adds modest protection against wear from track use.
Using properly sized socket button screws reduces movement and vibration at mounting points, which helps maintain consistent lap times and reduces the chance of mid-race loosening.
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